7139860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3923}}^1$

素因数の和:3952

約数の個数: 48

約数和(自身を含む): 18458496

約数和(自身を除く): 11318636

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 3923, 7846, 15692, 19615, 27461, 39230, 50999, 54922, 78460, 101998, 109844, 137305, 203996, 254995, 274610, 356993, 509990, 549220, 713986, 1019980, 1427972, 1784965, 3569930, 7139860]

約数ペア:

[(1, 7139860), (2, 3569930), (4, 1784965), (5, 1427972), (7, 1019980), (10, 713986), (13, 549220), (14, 509990), (20, 356993), (26, 274610), (28, 254995), (35, 203996), (52, 137305), (65, 109844), (70, 101998), (91, 78460), (130, 54922), (140, 50999), (182, 39230), (260, 27461), (364, 19615), (455, 15692), (910, 7846), (1820, 3923)]